Results 161 to 170 of about 2,913 (213)

A king-sized theropod coprolite [PDF]

open access: yesNature, 1998
Fossil faeces (coprolites) provide unique trophic perspectives on ancient ecosystems. Yet, although thousands of coprolites have been discovered, specimens that can be unequivocally attributed to carnivorous dinosaurs are almost unknown. A few fossil faeces have been ascribed to herbivorous dinosaurs1,2,3, but it is more difficult to identify ...
Karen Chin
exaly   +2 more sources
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Echinostomes in Felid Coprolites from Brazil

Journal of Parasitology, 2016
The first record of Echinostoma (Trematoda: Echinostomatidae) in coprolites was from a mummified human body in Minas Gerais State, Brazil. The finding raised questions on this parasite's incidence in prehistoric populations and the natural hosts of each species in remote times. Echinostomes occur worldwide and, despite the wide range of hosts, there is
L, Sianto   +5 more
openaire   +2 more sources

Imaging coprolite taphonomy and preservation

open access: yesArchaeological and Anthropological Sciences, 2019
The impact of coprolite taphonomy on parasite remains and aDNA recovery has been recognized. In general, coprolites from sites protected by geologic features such as caves and rock shelters exhibit the best preservation. In contrast, coprolites from open sites can be badly affected by taphonomic processes as shown by analyses of parasite eggs. For eggs,
Karl Reinhard
exaly   +3 more sources

BIOMARKER SIGNATURES IN TRIASSIC COPROLITES

PALAIOS, 2019
ABSTRACTCoprolites are traditionally analyzed from a morphological perspective. Few studies exist from an organic geochemical perspective, and most of these consider recent specimens. This study represents an analysis of coprolites from deep time, using both traditional one-dimensional and also two-dimensional gas chromatography-mass spectrometry.
UMAMAHESWARAN, RAMAN   +3 more
openaire   +1 more source

Invertebrate coprolites and cololites revised

Papers in Palaeontology, 2020
AbstractFossilized faeces (bromalites) are common in the geological record and have been recognized for centuries, first for their peculiarity and later for sedimentological and palaeontological analysis. Coprolites (the ejected faecal material) and cololites (faecal material preserved in the gut) may be morphologically and compositionally similar and ...
openaire   +1 more source

Physicochemical analysis of Permian coprolites from Brazil

Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy, 2018
In this paper we performed the study of two coprolites (fossilized feces) collected from the exposed levels of the Pedra de Fogo Formation, Parnaiba Sedimentary Basin, and Rio do Rasto Formation, Paraná Sedimentary Basin, both of the Palaeozoic era (Permian age).
M.I.C. Rodrigues   +7 more
openaire   +2 more sources

Paleobiological implications of Campanian coprolites

Palaeogeography, Palaeoclimatology, Palaeoecology, 1998
Abstract Vertebrate coprolites (153 samples) in association with vertebrate and plant remains in the Upper Cretaceous (Campanian) sediments of the Cerro del Pueblo Formation, in southeastern Coahuila, Mexico, represent at least ten morphotypes, ranging from ca. 1 cm to 3 cm.
Rubén A. Rodrı́guez-de la Rosa   +2 more
openaire   +1 more source

The coprolite industry in Buckinghamshire

2023
Records of Buckinghamshire, 32, 76 ...
openaire   +1 more source

Carboniferous coprolites from Qinhuangdao, North China

Science China Earth Sciences, 2010
Here we reported the coprolites that are preserved in the dark grey silty shale of the Carboniferous Benxi Formation from Shimenzhai, Qinhuangdao, North China. The coprolites occur in a sinusoidal and ribbon-like aggregate. A coprolite granule is sesame-shaped, roundish at the terminals, equidimensional and equimorphic.
YiMing Gong, LiJun Zhang, YiBu Wu
openaire   +1 more source

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